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225102006 = 232193717789
BaseRepresentation
bin11010110101011…
…00100010110110
3120200120100220100
431122230202312
5430111231011
634200414530
75402223033
oct1532544266
9520510810
10225102006
11106078518
1263477446
1337835a6c
1421c7838a
1514b66d56
hexd6ac8b6

225102006 has 48 divisors (see below), whose sum is σ = 527295600. Its totient is φ = 69159744.

The previous prime is 225101993. The next prime is 225102041. The reversal of 225102006 is 600201522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 225102006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3760 + ... + 21548.

It is an arithmetic number, because the mean of its divisors is an integer number (10985325).

Almost surely, 2225102006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225102006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263647800).

225102006 is an abundant number, since it is smaller than the sum of its proper divisors (302193594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225102006 is a wasteful number, since it uses less digits than its factorization.

225102006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17853 (or 17850 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 225102006 is about 15003.3998147087. The cubic root of 225102006 is about 608.3120999073.

Adding to 225102006 its reverse (600201522), we get a palindrome (825303528).

The spelling of 225102006 in words is "two hundred twenty-five million, one hundred two thousand, six".

Divisors: 1 2 3 6 9 18 19 37 38 57 74 111 114 171 222 333 342 666 703 1406 2109 4218 6327 12654 17789 35578 53367 106734 160101 320202 337991 658193 675982 1013973 1316386 1974579 2027946 3041919 3949158 5923737 6083838 11847474 12505667 25011334 37517001 75034002 112551003 225102006